If youre wearing a dress with a fitted bodice and a backless or sheer back, you can opt for stick on bras or nipple covers, but I recommend using detachable cups for better support. Here are two easy Amazon.com: KSang Push Up Sticky Bra, Thick Padded Backless Strapless Bra for Women, Invisible Self Adhesive Bra for Wedding Dress A Beige : Clothing, Shoes & Jewelry Lixiuxyad Bras to Wear with A Backless Dress Front Closure Bras For Women No Underwire Low Cut Deep V Padded Bralette Seamless Comfy Bras With Support Walmart.com 8 Best Backless Bras for Holiday Dresses 2025, Tested by 'Glamour' Editors Glamour